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Willsenton

Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Silver)

    • Based on 87 reviews
Condition: New
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$1,449.38 Why this price?

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Availability: Only 2 left in stock, order soon!
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Arrives Nov 29 – Dec 4
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Color: Silver


Features

  • The model currently on sale is the New Model upgraded in December 2023.
  • One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. The default matching tubes of this machine is KT88. If you need another 2 new sets of tube, please purchase in addition. There is a Red selection button on the Back of the amp to switch.
  • Can be used as an Integrated amplifier, power amplifier or Headphone amplifier. Pure hand-made, the whole machine is welded with scaffolding.
  • Triode and ultra-linear selection are available, which can be switched by the button on the amplifier. With a remote control,Vacuum tube protective cover,Fuse and an English manual.
  • We recommend that you spend 100-300 hours to RUN-IN this amplifier to get a better sound. Generally, you could get a better and stable sound after 100 hours, and you could get the best sound after accumulating more than 300 hours.

Description

The model currently on sale is the New Model upgraded in December 2023. Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB push-pull power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: Frequency effect: 10Hz 40kHz (+/-0.5db) Total harmonic distortion: 1% (1kHz) Signal to noise ratio: 91dB Input sensitivity: 380mv (when Integrated amp input) 820mv (when pure power amp input) Input impedance: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz/60Hz) ~ 115V ± 5% (50Hz/60Hz) Machine volume (400203390) (WHD) mm Use vacuum tube: 6SN73.6SL72.KT884/6550EH4/EL344 Power consumption: 310W Net weight: 26kg Rated output power: 25W+25W (RMS triode working state) 45W+45W (RMS ultra-linear working state) (KT88) 25W+25W (RMS triode working state) 40W+40W (RMS ultra-linear working state) (EL34)

Brand: Willsenton


Color: Silver


Output Wattage: 45 Watts


Product Dimensions: 11.81"D x 19.69"W x 20.08"H


Item Weight: 26 Kilograms


Product Dimensions ‏ : ‎ 15.75 x 15.35 x 7.99 inches; 57.32 Pounds


Item model number ‏ : ‎ Willsenton R8


Date First Available ‏ : ‎ November 6, 2019


Manufacturer ‏ : ‎ Willsenton


Best Sellers Rank: #261,620 in Electronics (See Top 100 in Electronics) #1,304 in Audio Component Amplifiers


#1,304 in Audio Component Amplifiers:


Customer Reviews: 4.4 4.4 out of 5 stars 87 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 29 – Dec 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Fabulous Rich 3 dimensional Sound for a crazy good price
Color: Silver
Review Image by Daniel M. Rosado Daniel M. Rosado
I don't write reviews but this is an exception because this amplifier is exceptional. It definitely needs the break in period. The manufacturer recommends 100 hrs. I'm approaching that now and I can say that the amp is coming alive! I've been skeptical about audio products that claim a break in period. This amplifier did not overwhelm me upon initial listening. But oh yeah, it's morphing into sonic bliss. I'm in my 50s and still own The ADCOM GFA-555 that my dad bought me for my birthday in 1984. I love that amplifier. I've tried other amps over the years but still use the ADCOM as my main. The other amps got reassigned to center and rear channels for Home Theater. I've been swapping speakers in and out on the Willsenton and it sounds great with all of them so far. Everything from low efficiency bookshelves to high efficiency Klipsch's. It takes their strengths and makes them better. I haven't tried my Magnepan MMG's yet. I should have done so before writing this review but I am listening now and couldn't wait to write this. The Maggie's are hard to drive with an impedance that drops to 2 ohms. The Willsenton has 2 sets of output taps and I'm hoping they are a good match. I read a lot of Audio Reviews and sometimes feel like the reviewers get a bit Audio snobbish with their flowery language. You know, "this amp has a relaxed presentation with excellent pace, rhythm and texture reminiscent of the BBC sound of the 60s blah, blah" Well now I'm the snobby reviewer. This amp is holographic! My high efficiency speakers aren't normally the best at imaging but holy cow! They image pretty damn great with this amp. Instruments are very distinct and separate in the music in a way I've never experienced before. When I was young my dad would take me to HIFI stores. His budget was NAD, ADCOM etc. but I could see him itching to own products like Conrad Johnson, Audio Research, Mark Levinson etc. I can say without hesitation that this Willsenton amplifier reminds me of those 80s iconic high-end products that my dad dreamed about. I'm using the Stock KT-88 tubes in both Triode and Ultra-linear mode. Both are fantastic with the main difference being that it drives woofers with more authority in Ultra-linear mode. But I can hear the benefits of Triode mode with small ensemble acoustic instruments and vocals. I'm officially an Audio Snob. And finally I can afford to be one. Thank you to my father for giving me the opportunity to dream. ... show more
Reviewed in the United States on June 27, 2022 by Daniel M. Rosado Daniel M. Rosado
    • Worth Every Penny
Color: Silver
Review Image by Corey340 Corey340
So let me start out by saying that this purchase was years in the making. I had seen several tube amplifiers that could use both EL34 and KT88 tubes and one in particular that also had triode and ultralinear operating modes. My end goal was to replace several tube amplifiers including my ancient yet beloved Dynaco Stereo 70 (ST70). It should be noted that several years ago I purchased a Yaqin MC-100 amplifier but my ST70 was simply better sounding so I sold it and started my search anew. For better or worse, I'm not a wealthy audiophile but I am a very good technician so I've been able to buy most of my audio equipment broken for pennies on the dollar and then over months or years, repair it as I acquire parts. This time however, I wanted something new so this was like buying a new major appliance since it cost the same as my washer and dryer. That notwithstanding, let me tell you about this amp. When the Willsenton R8 (R8) arrived, I was pleasantly surprised to find it was triple boxed. Given the weight of this amp is over 70 pounds it needed to be well protected for shipping and it's clear from the weight this is not cheap amp. My ST70 is light as a feather in comparison. One thing I found interesting is that it shipped with the tubes already installed but there was sufficient styrofoam and tape to keep the tubes in place. Nothing was broken and my poor body survived lifting it onto the audio stand (I still got it!). On the features front, the amp comes with a high quality machined aluminum remote. The remote has no power button but does have an oddly large mute button (huh?). The amplifier itself does not have a VU meter but features a large easy to use bias meter. Keeping with the quality theme, the power and volume buttons are machined aluminum with LED illumination (red for power and green for volume) as are the selector and TR/UL buttons. A tube cage is included and the vacuum tubes are Willsenton branded so clearly a lot of care was taken to continue the quality theme. Even without having heard a single note from this amplifier, I knew I had a beautiful piece of audio jewelry for my listening room. My first impression of the amplifier was positive when I turned it on and heard nothing after hearing the startup relay click on. No hiss, no hum, just silence. The amplifier defaults to triode mode when powered on and my first listen was Introit from Faure Requiem (Naxos). Playing through my Infinity Primus 363 towers, the opening pipe organ chord filled the room with power and authority rivaling some of the best tube amps I've heard and certainly better than any I've owned. About three weeks in, I had used the amplifier enough for the tubes to settle in and now there is a greater smoothness to the sound (it was never harsh) and I can easily hear a stark contrast between triode and ultralinear modes. It should be noted that I had a Yaqin MC-100 amp and the difference in the modes was barely audible. In comparison to my ST70, the R8 is a very different sound which is to be expected since they use both different types and brands of tubes and the ST70 uses tube rectification while the R8's rectifier is solid state. I cannot say that one is better than the other as I enjoy them equally. In conclusion, I must say that the Willsenton R8 is a fine amplifier. While it is by no means inexpensive, it is certainly a value leader as it is less than half the price of competitive "brand name" equipment while yielding uncompromising build and sound quality. While sound quality can certainly be improved (or diminished) by changing vacuum tubes, the buyer of the R8 can rest assured that the branded tubes that come with the unit are by no means a cheap add-on. I'm pleased to say that the engineering and care that went into the build and parts selection of this amplifier are worthy of the best brand names. Thanks for reading! ... show more
Reviewed in the United States on March 6, 2020 by Corey340 Corey340

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